Finding the Fourth Proportional to 4,002,419.08, 5,523,340.62 and 2,166,877.84
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Solution
The fourth proportional to 4,002,419.08, 5,523,340.62 and 2,166,877.84 is: 2,990,292.66
Step by Step Solution
- Step 1: Write the proportion equation
4,002,419.08 : 5,523,340.62 = 2,166,877.84 : x - Step 2: Convert to fraction form
4,002,419.08/5,523,340.62 = 2,166,877.84/x - Step 3: Cross multiply
4,002,419.08x = 5,523,340.62 × 2,166,877.84 - Step 4: Simplify right side
4,002,419.08x = 11,968,404,392,249.86 - Step 5: Solve for x
x = 11,968,404,392,249.86/4,002,419.08 - Step 6: Final answer
x = 2,990,292.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.